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1. 发明申请

US20090327519A1 ADDING INDIVIDUAL DATABASE FAILOVER/SWITCHOVER TO AN EXISTING STORAGE COMPONENT WITH LIMITED IMPACT 有权
标题翻译：将个人数据库加密/切换到具有有限冲击的现有存储组件
公开(公告)号：US20090327519A1
公开(公告)日：2009-12-31
申请号：US12146518
申请日：2008-06-26
申请人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
发明人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
IPC分类号： G06F15/173
CPC分类号： H04L12/589 , G06F11/2025 , G06F11/2038 , G06F11/2041 , G06F17/30 , G06Q10/107 , H04L51/36 , H04L67/025 , H04L67/1095 , H04L67/2814 , H04L69/40
摘要： High availability architecture that employs a mid-tier proxy server to route client communications to active data store instances in response to failover and switchover. The proxy server includes an active manager client that interfaces to an active manager in each of the backend servers. State information and configuration information are maintained separately and according to semantics consistent with needs of corresponding data, the configuration information changing less frequently and more available, the state information changing more frequently and less available. The active manager indicates to the proxy server which of the data storage instances is the currently the active instance. In the event that the currently active instance is inactive, the proxy server selects a different backend server that currently hosts the active data store instance. Client communications are then routed to the different backend server with minimal or no interruption to the client.
摘要翻译：高可用性架构，采用中间层代理服务器将客户端通信路由到活动数据存储实例，以响应故障转移和切换。代理服务器包括与每个后端服务器中的活动管理器相连接的活动管理器客户端。状态信息和配置信息分开维护，根据与对应数据需求一致的语义，配置信息变化频率更低，可用性更高，状态信息变化越来越少，可用性越来越低。活动管理器向代理服务器指示哪个数据存储实例是当前活动实例。如果当前活动的实例处于非活动状态，则代理服务器将选择当前托管活动数据存储实例的其他后端服务器。然后客户端通信路由到不同的后端服务器，客户端的中断最小或不会中断。

2. 发明授权

US08001413B2 Managing cluster split-brain in datacenter service site failover 有权
标题翻译：管理数据中心服务站点故障切换中的群集分裂
公开(公告)号：US08001413B2
公开(公告)日：2011-08-16
申请号：US12115536
申请日：2008-05-05
申请人： Alexander R Wetmore , Gregory Thiel , Ayla Kol , Rebecca Benfield
发明人： Alexander R Wetmore , Gregory Thiel , Ayla Kol , Rebecca Benfield
IPC分类号： G06F11/00
CPC分类号： G06F11/1482 , G06F11/2028 , G06F11/2038
摘要： A central controlling service for datacenter activation/deactivation control in a cluster deployment to assist in preventing a split-brain scenario. The central controlling service provides a central point of control in the datacenter for application servers to periodically query as to whether to go offline, online, or normal. Redundancy of the central service facilitates detection of datacenter failure by the redundant services interacting to resolve the state of control information. This control information is then used to answer the server queries. On startup from a datacenter failure, a single instance of the central service queries other redundant instance(s) to determine if the single instance is starting up from a datacenter-wide failure or from operations other than total datacenter failure. If the failure is datacenter-wide, a central service protocol assists in resolving to the single service keeping the associated datacenter servers offline; otherwise, the server queries are answered to go online.
摘要翻译：集群部署中的数据中心激活/停用控制的中央控制服务，以帮助防止裂脑情景。中央控制服务在数据中心中提供了一个中心控制点，用于应用程序服务器定期查询是否脱机，在线或正常。中央服务器的冗余有助于通过交互来解决控制信息状态的冗余服务来检测数据中心故障。然后，该控制信息用于回答服务器查询。在数据中心故障启动时，单个中央服务器实例会查询其他冗余实例，以确定单个实例是否从数据中心范围的故障或除数据中心故障之外的操作启动。如果故障是数据中心范围的，则中央服务协议有助于解决单个服务，使关联的数据中心服务器脱机; 否则，服务器查询被回答为上线。

3. 发明申请

US20090276657A1 MANAGING CLUSTER SPLIT-BRAIN IN DATACENTER SERVICE SITE FAILOVER 有权
标题翻译：在DATACENTER SERVICE SITE FAILOVER中管理集群分离器
公开(公告)号：US20090276657A1
公开(公告)日：2009-11-05
申请号：US12115536
申请日：2008-05-05
申请人： Alexander R. Wetmore , Gregory Thiel , Ayla Kol , Rebecca Benfield
发明人： Alexander R. Wetmore , Gregory Thiel , Ayla Kol , Rebecca Benfield
IPC分类号： G06F15/16 , G06F11/07
CPC分类号： G06F11/1482 , G06F11/2028 , G06F11/2038
摘要： A central controlling service for datacenter activation/deactivation control in a cluster deployment to assist in preventing a split-brain scenario. The central controlling service provides a central point of control in the datacenter for application servers to periodically query as to whether to go offline, online, or normal. Redundancy of the central service facilitates detection of datacenter failure by the redundant services interacting to resolve the state of control information. This control information is then used to answer the server queries. On startup from a datacenter failure, a single instance of the central service queries other redundant instance(s) to determine if the single instance is starting up from a datacenter-wide failure or from operations other than total datacenter failure. If the failure is datacenter-wide, a central service protocol assists in resolving to the single service keeping the associated datacenter servers offline; otherwise, the server queries are answered to go online.
摘要翻译：集群部署中的数据中心激活/停用控制的中央控制服务，以帮助防止裂脑情景。中央控制服务在数据中心中提供了一个中心控制点，用于应用程序服务器定期查询是否脱机，在线或正常。中央服务器的冗余有助于通过交互来解决控制信息状态的冗余服务来检测数据中心故障。然后，该控制信息用于回答服务器查询。在数据中心故障启动时，单个中央服务器实例会查询其他冗余实例，以确定单个实例是否从数据中心范围的故障或除数据中心故障之外的操作启动。如果故障是数据中心范围的，则中央服务协议有助于解决单个服务，使关联的数据中心服务器脱机; 否则，服务器查询被回答为上线。

4. 发明授权

US08924589B2 Adding individual database failover/switchover to an existing storage component with limited impact 有权
标题翻译：将单个数据库故障转移/切换添加到现有存储组件，影响有限
公开(公告)号：US08924589B2
公开(公告)日：2014-12-30
申请号：US13606852
申请日：2012-09-07
申请人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
发明人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
IPC分类号： G06F15/173 , H04L12/58 , G06Q10/10 , G06F17/30 , H04L29/14 , H04L29/08 , G06F11/20
CPC分类号： H04L12/589 , G06F11/2025 , G06F11/2038 , G06F11/2041 , G06F17/30 , G06Q10/107 , H04L51/36 , H04L67/025 , H04L67/1095 , H04L67/2814 , H04L69/40
摘要： High availability architecture that employs a mid-tier proxy server to route client communications to active data store instances in response to failover and switchover. The proxy server includes an active manager client that interfaces to an active manager in each of the backend servers. State information and configuration information are maintained separately and according to semantics consistent with needs of corresponding data, the configuration information changing less frequently and more available, the state information changing more frequently and less available. The active manager indicates to the proxy server which of the data storage instances is the currently the active instance. In the event that the currently active instance is inactive, the proxy server selects a different backend server that currently hosts the active data store instance. Client communications are then routed to the different backend server with minimal or no interruption to the client.
摘要翻译：高可用性架构，采用中间层代理服务器将客户端通信路由到活动数据存储实例，以响应故障转移和切换。代理服务器包括与每个后端服务器中的活动管理器相连接的活动管理器客户端。状态信息和配置信息分开维护，根据与对应数据需求一致的语义，配置信息变化频率更低，可用性更高，状态信息变化越来越少，可用性越来越低。活动管理器向代理服务器指示哪个数据存储实例是当前活动实例。如果当前活动的实例处于非活动状态，则代理服务器将选择当前托管活动数据存储实例的其他后端服务器。然后客户端通信路由到不同的后端服务器，客户端的中断最小或不会中断。

5. 发明申请

US20120331336A1 ADDING INDIVIDUAL DATABASE FAILOVER/SWITCHOVER TO AN EXISTING STORAGE COMPONENT WITH LIMITED IMPACT 有权
标题翻译：将个人数据库加密/切换到具有有限冲击的现有存储组件
公开(公告)号：US20120331336A1
公开(公告)日：2012-12-27
申请号：US13606852
申请日：2012-09-07
申请人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
发明人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
IPC分类号： G06F11/20
CPC分类号： H04L12/589 , G06F11/2025 , G06F11/2038 , G06F11/2041 , G06F17/30 , G06Q10/107 , H04L51/36 , H04L67/025 , H04L67/1095 , H04L67/2814 , H04L69/40
摘要： High availability architecture that employs a mid-tier proxy server to route client communications to active data store instances in response to failover and switchover. The proxy server includes an active manager client that interfaces to an active manager in each of the backend servers. State information and configuration information are maintained separately and according to semantics consistent with needs of corresponding data, the configuration information changing less frequently and more available, the state information changing more frequently and less available. The active manager indicates to the proxy server which of the data storage instances is the currently the active instance. In the event that the currently active instance is inactive, the proxy server selects a different backend server that currently hosts the active data store instance. Client communications are then routed to the different backend server with minimal or no interruption to the client.
摘要翻译：高可用性架构，采用中间层代理服务器将客户端通信路由到活动数据存储实例，以响应故障转移和切换。代理服务器包括与每个后端服务器中的活动管理器相连接的活动管理器客户端。状态信息和配置信息分开维护，根据与对应数据需求一致的语义，配置信息变化频率更低，可用性更高，状态信息变化越来越少，可用性越来越低。活动管理器向代理服务器指示哪个数据存储实例是当前活动实例。如果当前活动的实例处于非活动状态，则代理服务器将选择当前托管活动数据存储实例的其他后端服务器。然后客户端通信路由到不同的后端服务器，客户端的中断最小或不会中断。

6. 发明授权

US08275907B2 Adding individual database failover/switchover to an existing storage component with limited impact 有权
标题翻译：将单个数据库故障转移/切换添加到现有存储组件，影响有限
公开(公告)号：US08275907B2
公开(公告)日：2012-09-25
申请号：US12146518
申请日：2008-06-26
申请人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
发明人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
IPC分类号： G06F15/16
CPC分类号： H04L12/589 , G06F11/2025 , G06F11/2038 , G06F11/2041 , G06F17/30 , G06Q10/107 , H04L51/36 , H04L67/025 , H04L67/1095 , H04L67/2814 , H04L69/40
摘要： High availability architecture that employs a mid-tier proxy server to route client communications to active data store instances in response to failover and switchover. The proxy server includes an active manager client that interfaces to an active manager in each of the backend servers. State information and configuration information are maintained separately and according to semantics consistent with needs of corresponding data, the configuration information changing less frequently and more available, the state information changing more frequently and less available. The active manager indicates to the proxy server which of the data storage instances is the currently the active instance. In the event that the currently active instance is inactive, the proxy server selects a different backend server that currently hosts the active data store instance. Client communications are then routed to the different backend server with minimal or no interruption to the client.
摘要翻译：高可用性架构，采用中间层代理服务器将客户端通信路由到活动数据存储实例，以响应故障转移和切换。代理服务器包括与每个后端服务器中的活动管理器相连接的活动管理器客户端。状态信息和配置信息分开维护，根据与对应数据需求一致的语义，配置信息变化频率更低，可用性更高，状态信息变化越来越少，可用性越来越低。活动管理器向代理服务器指示哪个数据存储实例是当前活动实例。如果当前活动的实例处于非活动状态，则代理服务器将选择当前托管活动数据存储实例的其他后端服务器。然后客户端通信路由到不同的后端服务器，客户端的中断最小或不会中断。

7. 发明申请

US20090327805A1 MINIMIZING DATA LOSS IN ASYNCHRONOUS REPLICATION SOLUTION USING DISTRIBUTED REDUNDANCY 有权
标题翻译：使用分布式冗余方式在异步复制解决方案中最小化数据丢失
公开(公告)号：US20090327805A1
公开(公告)日：2009-12-31
申请号：US12146602
申请日：2008-06-26
申请人： Gregory Thiel , Alexander R. Wetmore , Shawn Bracewell , Rebecca Benfield
发明人： Gregory Thiel , Alexander R. Wetmore , Shawn Bracewell , Rebecca Benfield
IPC分类号： G06F17/30 , G06F11/07
CPC分类号： G06F17/30578 , G06F11/1658 , G06F11/2097 , G06F2201/835
摘要： Architecture that reduces data loss resulting from failover in an asynchronous log shipping deployment, but leveraging mid-tier and frontend servers to fill in lost data. In an asynchronous log shipping operation, a replication component asynchronously replicates messaging data to a backend server in accordance with one or more replication operations, which can be updates to databases on the backend server. These databases can include messaging data, such as email address books, mailboxes, etc. A history component maintains a history of replication operations on a frontend server. In the event of a lossy failover, a replay component is used for replaying the replication operations from the history to the backend server.
摘要翻译：架构，减少异步日志传送部署中故障切换导致的数据丢失，但利用中间层和前端服务器填充丢失的数据。在异步日志传送操作中，复制组件根据一个或多个复制操作将消息数据异步复制到后端服务器，这些操作可以是后端服务器上数据库的更新。这些数据库可以包括邮件数据，例如电子邮件地址簿，邮箱等。历史组件在前端服务器上维护复制操作的历史记录。在有故障转移的情况下，使用重放组件来重播从历史记录到后端服务器的复制操作。

8. 发明授权

US07908514B2 Minimizing data loss in asynchronous replication solution using distributed redundancy 有权
标题翻译：使用分布式冗余减少异步复制解决方案中的数据丢失
公开(公告)号：US07908514B2
公开(公告)日：2011-03-15
申请号：US12146602
申请日：2008-06-26
申请人： Gregory Thiel , Alexander R. Wetmore , Shawn Bracewell , Rebecca Benfield
发明人： Gregory Thiel , Alexander R. Wetmore , Shawn Bracewell , Rebecca Benfield
IPC分类号： G06F11/00
CPC分类号： G06F17/30578 , G06F11/1658 , G06F11/2097 , G06F2201/835
摘要： Architecture that reduces data loss resulting from failover in an asynchronous log shipping deployment, but leveraging mid-tier and frontend servers to fill in lost data. In an asynchronous log shipping operation, a replication component asynchronously replicates messaging data to a backend server in accordance with one or more replication operations, which can be updates to databases on the backend server. These databases can include messaging data, such as email address books, mailboxes, etc. A history component maintains a history of replication operations on a frontend server. In the event of a lossy failover, a replay component is used for replaying the replication operations from the history to the backend server.
摘要翻译：架构，减少异步日志传送部署中故障切换导致的数据丢失，但利用中间层和前端服务器填充丢失的数据。在异步日志传送操作中，复制组件根据一个或多个复制操作将消息数据异步复制到后端服务器，这些操作可以是后端服务器上数据库的更新。这些数据库可以包括邮件数据，例如电子邮件地址簿，邮箱等。历史组件在前端服务器上维护复制操作的历史记录。在有故障转移的情况下，使用重放组件来重播从历史记录到后端服务器的复制操作。

9. 发明授权

US08903774B2 Techniques for leveraging replication to provide rolling point in time backup with simplified restoration through distributed transactional re-creation 有权
标题翻译：利用复制技术提供滚动点的时间备份，并通过分布式事务重新创建进行简化恢复
公开(公告)号：US08903774B2
公开(公告)日：2014-12-02
申请号：US13425876
申请日：2012-03-21
申请人： Shuab Khan , Peter Byrne , Yogesh Bansal , Gregory Thiel , Ross Smith, IV
发明人： Shuab Khan , Peter Byrne , Yogesh Bansal , Gregory Thiel , Ross Smith, IV
IPC分类号： G06F17/30 , G06F11/14
CPC分类号： G06F17/30368 , G06F11/1461 , G06F11/1471 , G06F11/2094
摘要： Techniques to leverage replication to provide rolling point in time backup are described. Some embodiments are directed to techniques to provide rolling point in time backup with simplified restoration through distributed transactional re-creation. In one embodiment, for example, a technique may comprise creating a plurality of availability copies of a primary set of data; designating at least one of the plurality of availability copies as a backup copy; creating a log file that indicates changes to the primary set of data; updating the plurality of availability copies from the log file in near real time, without updating the backup copy; and restoring at least one of: the primary set of data and an availability copy using the backup copy and content resubmitted from a content contributor when an error occurs in at least one of: the primary set of data and an availability copy. Other embodiments are described and claimed.
摘要翻译：描述了利用复制提供滚动点的时间备份的技术。一些实施例涉及通过分布式事务再创建简化恢复来提供时间备份中的滚动点的技术。在一个实施例中，例如，技术可以包括创建主要数据集合的多个可用性副本; 将所述多个可用性副本中的至少一个指定为备份副本; 创建指示对主要数据集进行更改的日志文件; 从日志文件中实时更新多个可用性副本，而无需更新备份副本; 以及至少一个：当所述主要数据集和可用性副本中的至少一个发生错误时，使用所述备份副本和从所述内容提供者重新提交的内容来恢复所述主要数据集和可用性副本。描述和要求保护其他实施例。

10. 发明申请

US20090319525A1 LOST WRITE PROTECTION VIA STREAM-BASED REPLICATION 审中-公开
标题翻译：通过基于流行的复制丢失写保护
公开(公告)号：US20090319525A1
公开(公告)日：2009-12-24
申请号：US12144613
申请日：2008-06-23
申请人： Gregory Thiel , Andrew E. Goodsell
发明人： Gregory Thiel , Andrew E. Goodsell
IPC分类号： G06F7/02
CPC分类号： G06F11/0751 , G06F11/0727
摘要： Architecture for detecting lost writes using timestamps. During a replication process, lost writes in data replicated from a stream can be detected by noting discrepancies between the timestamps of data in the replica and timestamps associated with the corresponding data from the source in original data store. A lost write either in the original data store or in the replica data store can be inferred by comparing these timestamps with the timestamps in a number of other replica data stores. Additionally, check entries can be added to the replicas by the original data store to allow expanded comparison between recently modified data and the source data in the original data store. The check entries can be added to the replication journal after a time delay, thereby increasing effectiveness of the check by decreasing the likelihood that caching in the hardware will defeat the test.
摘要翻译：用于使用时间戳检测丢失的写入的架构。在复制过程中，可以通过记录副本中的数据的时间戳和与来自原始数据存储中的源的相应数据相关联的时间戳之间的差异来检测从流复制的数据中的丢失写入。可以通过将这些时间戳与许多其他副本数据存储中的时间戳进行比较来推断在原始数据存储器中或复制数据存储器中的丢失写入。此外，检查条目可以由原始数据存储添加到副本，以允许最近修改的数据与原始数据存储中的源数据之间的扩展比较。检查条目可以在延迟之后添加到复制日志中，从而通过减少硬件中缓存失败的可能性来提高检查的有效性。

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